Title:
静油圧式無段変速機
Document Type and Number:
Japanese Patent JP5007141
Kind Code:
B2
Abstract:
A hydrostatic continuously variable transmission is configured by connecting a swash plate type plunger hydraulic pump P and a swash plate type plunger hydraulic motor via a hydraulic closed circuit. A continuous shift control is executed by variably controlling an inclined angle of the swash plate of the hydraulic motor. A valve spool movably arranged in a spool hole axially extends in a shaft that supports the hydraulic pump and the hydraulic motor and is configured by coupling a first spool member provided with a guide land fitted in a guide member and a second spool member provided with a central land and a left land and provided with a valve that connects and cuts off a clutch oil passage on the high pressure side and a clutch oil passage on the low pressure side according to axial movement by a coupling pin.
Inventors:
Kenichi Nakano
Yoshida Yoshihiro
Yoshida Yoshihiro
Application Number:
JP2007095034A
Publication Date:
August 22, 2012
Filing Date:
March 30, 2007
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
F16H39/14
Domestic Patent References:
| JP2005256980A | ||||
| JP7006568U | ||||
| JP57072372U | ||||
| JP6099825A | ||||
| JP8152071A |
Attorney, Agent or Firm:
Masago Onishi